.article-card {
    position: relative;
    cursor: pointer;
}

.article-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 1px;
    background: var(--color-champagne);
    opacity: 0;
    transition: width 0.6s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
}

.article-card:hover::before {
    width: 85%;
    opacity: 0.6;
}

.article-card[data-article="agapan"]:hover {
    border-color: rgba(107, 127, 93, 0.35);
}

.article-card[data-article="agapan"]:hover .article-tag {
    background: rgba(107, 127, 93, 0.12);
    border-color: rgba(107, 127, 93, 0.3);
    color: #8a9e7c;
}

.article-card[data-article="rincao-gaia"]:hover {
    border-color: rgba(78, 115, 64, 0.35);
}

.article-card[data-article="rincao-gaia"]:hover .article-tag {
    background: rgba(78, 115, 64, 0.12);
    border-color: rgba(78, 115, 64, 0.3);
    color: #6b9a58;
}

.article-card[data-article="carreira-ambientalista"]:hover {
    border-color: rgba(37, 79, 37, 0.35);
}

.article-card[data-article="carreira-ambientalista"]:hover .article-tag {
    background: rgba(37, 79, 37, 0.12);
    border-color: rgba(37, 79, 37, 0.3);
    color: #4a8c4a;
}

.article-card[data-article="industria-quimica"]:hover {
    border-color: rgba(196, 169, 106, 0.35);
}

.article-card[data-article="industria-quimica"]:hover .article-tag {
    background: rgba(196, 169, 106, 0.12);
    border-color: rgba(196, 169, 106, 0.3);
    color: #d4c084;
}

.article-expand-btn {
    position: relative;
    overflow: hidden;
    border-radius: 50%;
}

.article-expand-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(196, 169, 106, 0.12);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.5s cubic-bezier(0.16, 1, 0.3, 1), height 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.article-expand-btn:hover::after {
    width: 120%;
    height: 120%;
}

.article-card-content h3 {
    transition: color 0.4s ease, transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.article-card:hover .article-card-content h3 {
    color: var(--color-champagne);
    transform: translateX(2px);
}

.article-preview {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.read-more-link {
    position: relative;
    width: fit-content;
    z-index: 1;
    pointer-events: auto;
}

.read-more-link::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--color-champagne);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.read-more-link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.article-modal {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.article-modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-container {
    scrollbar-width: thin;
    scrollbar-color: rgba(196, 169, 106, 0.2) transparent;
    border-radius: 4px;
}

.modal-container::-webkit-scrollbar {
    width: 4px;
}

.modal-container::-webkit-scrollbar-track {
    background: transparent;
}

.modal-container::-webkit-scrollbar-thumb {
    background: rgba(196, 169, 106, 0.2);
}

.modal-container::-webkit-scrollbar-thumb:hover {
    background: rgba(196, 169, 106, 0.4);
}

.modal-content .article-tag {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--color-champagne);
    padding: 6px 16px;
    background: rgba(196, 169, 106, 0.06);
    border: 1px solid rgba(196, 169, 106, 0.15);
    margin-bottom: 24px;
}

.modal-content h3 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--color-pampas);
    letter-spacing: 1px;
    line-height: 1.3;
    margin-bottom: 14px;
    font-weight: 500;
}

.modal-content .article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 26px;
    margin-bottom: 35px;
    border-bottom: 1px solid rgba(196, 169, 106, 0.08);
}

.modal-content .article-body {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.9;
}

.modal-content .article-body h2 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    color: var(--color-pampas);
    margin: 40px 0 18px;
    letter-spacing: 1px;
    font-weight: 500;
}

.modal-content .article-body h3 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    color: var(--color-champagne);
    margin: 30px 0 14px;
    letter-spacing: 1px;
    font-weight: 500;
}

.modal-content .article-body p {
    margin-bottom: 20px;
    color: var(--color-text-light);
}

.modal-content .article-body ul,
.modal-content .article-body ol {
    margin: 18px 0 18px 28px;
    color: var(--color-text-light);
}

.modal-content .article-body li {
    margin-bottom: 10px;
    line-height: 1.7;
}

.modal-content .article-body blockquote {
    border-left: 2px solid var(--color-champagne);
    padding: 18px 28px;
    margin: 30px 0;
    background: rgba(196, 169, 106, 0.04);
}

.modal-content .article-body blockquote p {
    color: var(--color-pampas);
    font-style: italic;
    margin-bottom: 0;
    font-size: 1.05rem;
}

.modal-content .article-body img {
    width: 100%;
    margin: 30px 0;
    border: 1px solid rgba(196, 169, 106, 0.08);
}

.modal-content .article-body .highlight-box {
    background: rgba(196, 169, 106, 0.04);
    border: 1px solid rgba(196, 169, 106, 0.12);
    padding: 28px;
    margin: 30px 0;
}

.modal-content .article-body .highlight-box h4 {
    color: var(--color-champagne);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 12px;
    font-weight: 500;
}

.modal-content .article-body .highlight-box p {
    color: var(--color-text-light);
    margin-bottom: 0;
}

.modal-content .article-body .reference {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    padding: 14px 0;
    border-top: 1px solid rgba(196, 169, 106, 0.06);
    margin-top: 35px;
    font-style: italic;
}

.article-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 80px 20px;
    flex-direction: column;
    gap: 24px;
}

.article-loading-spinner {
    width: 36px;
    height: 36px;
    border: 2px solid rgba(196, 169, 106, 0.12);
    border-top-color: var(--color-champagne);
    border-radius: 50%;
    animation: articleSpin 0.8s linear infinite;
}

@keyframes articleSpin {
    to {
        transform: rotate(360deg);
    }
}

.article-loading p {
    color: var(--color-text-muted);
    font-size: 0.8rem;
    letter-spacing: 3px;
    text-transform: uppercase;
}

.article-error {
    text-align: center;
    padding: 80px 20px;
}

.article-error-icon {
    font-size: 0;
    margin-bottom: 24px;
    width: 48px;
    height: 48px;
    border: 2px solid rgba(196, 169, 106, 0.3);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--color-champagne);
}

.article-error-icon::before {
    content: '!';
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
}

.article-error h3 {
    color: var(--color-pampas);
    margin-bottom: 14px;
    font-family: var(--font-heading);
    font-weight: 500;
}

.article-error p {
    color: var(--color-text-muted);
    margin-bottom: 28px;
    line-height: 1.7;
    font-size: 0.9rem;
}

.article-error button {
    padding: 14px 32px;
    background: transparent;
    border: 1px solid var(--color-champagne);
    color: var(--color-champagne);
    cursor: pointer;
    font-size: 0.78rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-family: var(--font-body);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.article-error button:hover {
    background: var(--color-champagne);
    color: var(--color-earth-dark);
}

@media (max-width: 768px) {
    .modal-content {
        padding: 30px;
    }

    .modal-content h3 {
        font-size: 1.4rem;
    }

    .modal-content .article-body {
        font-size: 0.9rem;
    }

    .modal-content .article-body blockquote {
        padding: 14px 20px;
    }

    .modal-content .article-body .highlight-box {
        padding: 20px;
    }

    .article-preview {
        -webkit-line-clamp: 2;
        line-clamp: 2;
    }
}